---
title: OlkComboBox.DropButtonClick Event (Outlook)
keywords: vbaol11.chm1000246
f1_keywords:
- vbaol11.chm1000246
ms.prod: outlook
api_name:
- Outlook.OlkComboBox.DropButtonClick
ms.assetid: 9de7c7b5-da6e-825e-a7de-d4419fa8fbb4
ms.date: 06/08/2017
---


# OlkComboBox.DropButtonClick Event (Outlook)

Occurs when the user clicks the drop button to expand the drop-down list in the combo box control, or when the  **[DropDown](olkcombobox-dropdown-method-outlook.md)** method is called programmatically.


## Syntax

 _expression_ . **DropButtonClick**

 _expression_ A variable that represents an **OlkComboBox** object.


## See also


#### Concepts


[OlkComboBox Object](olkcombobox-object-outlook.md)

